Security readout for executives and security teams
Plain-English summary
TYPO3 could place user-provided content into HTML emails without proper encoding. The vulnerable rendering happens when recipients view those emails in mail clients. This can allow cross-site scripting-style impact against the email viewer, but the published severity is medium and availability impact is not indicated.
Executive priority
Treat this as a normal-priority patch for TYPO3 environments, not an emergency. Patch during the next maintenance window unless the site heavily uses account emails or serves high-risk users.
Technical view
CVE-2022-31049 is CWE-79 affecting TYPO3 versions >=9.0.0 <9.5.34, >=10.0.0 <10.4.29, and >=11.0.0 <11.5.11. CVSS 3.1 is 5.4 with network attack vector, low complexity, low privileges, required user interaction, changed scope, and low confidentiality and integrity impact.
Likely exposure
Exposure is likely limited to TYPO3 sites in the affected version ranges that send frontend login-related HTML emails containing submitted user content.
Exploitation context
The bundle does not show KEV listing or cited active exploitation. Practical impact depends on attacker-controlled content reaching HTML emails and a recipient viewing them in an affected mail client.
Researcher notes
The key nuance is that TYPO3 generated unsafe HTML email content, while the affected rendering component was the recipient mail client. Do not assume browser-based stored XSS beyond what the advisories state.
Mitigation direction
- Upgrade TYPO3 to 9.5.34 ELTS, 10.4.29, 11.5.11, or later supported releases.
- Prioritize internet-facing TYPO3 sites that send frontend login or account-related HTML emails.
- Review TYPO3’s advisory before applying any compensating controls or backports.
- Retire or isolate unsupported TYPO3 branches if fixed releases are unavailable.
Validation and detection
- Inventory TYPO3 versions and compare them against the affected ranges.
- Confirm production is running 9.5.34 ELTS, 10.4.29, 11.5.11, or later.
- Check dependency locks and deployment artifacts, not only package manifests.
- Review mail templates and extensions for reliance on TYPO3’s frontend login mailer behavior.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-31049 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/TYPO3/typo3/security/advisories/GHSA-h4mx-xv96-2jgmCVE reference · x_refsource_CONFIRM
- https://github.com/TYPO3/typo3/commit/da611775f92102d7602713003f4c79606c8a445dCVE reference · x_refsource_MISC
- https://typo3.org/security/advisory/typo3-core-sa-2022-004CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.